5(3x)+4(40)-15x=-4(5x+5)+20

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Solution for 5(3x)+4(40)-15x=-4(5x+5)+20 equation:


Simplifying
5(3x) + 4(40) + -15x = -4(5x + 5) + 20

Remove parenthesis around (3x)
5 * 3x + 4(40) + -15x = -4(5x + 5) + 20

Multiply 5 * 3
15x + 4(40) + -15x = -4(5x + 5) + 20

Multiply 4 * 40
15x + 160 + -15x = -4(5x + 5) + 20

Reorder the terms:
160 + 15x + -15x = -4(5x + 5) + 20

Combine like terms: 15x + -15x = 0
160 + 0 = -4(5x + 5) + 20
160 = -4(5x + 5) + 20

Reorder the terms:
160 = -4(5 + 5x) + 20
160 = (5 * -4 + 5x * -4) + 20
160 = (-20 + -20x) + 20

Reorder the terms:
160 = -20 + 20 + -20x

Combine like terms: -20 + 20 = 0
160 = 0 + -20x
160 = -20x

Solving
160 = -20x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20x' to each side of the equation.
160 + 20x = -20x + 20x

Combine like terms: -20x + 20x = 0
160 + 20x = 0

Add '-160' to each side of the equation.
160 + -160 + 20x = 0 + -160

Combine like terms: 160 + -160 = 0
0 + 20x = 0 + -160
20x = 0 + -160

Combine like terms: 0 + -160 = -160
20x = -160

Divide each side by '20'.
x = -8

Simplifying
x = -8

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